Road drag



C. H. COOK March 3, 1931".

ROAD DRAG Filed June 26, 1930 2 sheets-sheet 1 lnuenlor 1 O FlulllllllL till-Ill L Allorney March 3, 1931. c, COOK 1,794,882

ROAD DRAG Filed June 26, 1930 2 Sheets-Sheet 2 Allomey Patented Mar. 3, 1931 I i 1 UNITED STATES PATENT orFIcEl ff 5 Application filed June 26, 1930. Serial No. 464,029.

This invention relates to an improved 'atstructure, cooperable with the rack-segment tachment for a road drag, wherein the at- 22. This arrangement permits the spreader tachment has the function of a dirt spreader. 13 to be rocked about its pivot on a vertical More specifically, the inventive novelty is axis to the dotted line positions represented 5 predicated upon an attachment characterized in Figure 1, thereby permitting the dirt to 55 by a yoke fastened to the rear end of the maln cast eitherto the left or right, according to frame and provided with a horizontally disthe condition of the road. ,The gist of the posed levelling and spreading blade, swing construction is in the provision of. an attachably mounted on a vertical axis, means being ing yoke, having a central rearwardly extend- 10 provided for adjusting the blade to the deingfulcrum bar, together With the combined 60 sired angle with respect to the longitudinal spreader and levellingfdevicc 13, pivotally axis of the line of draft. connected to the bar ona vertical axis,this

In the drawings: device 13 being of. a widt'h approximately Figure 1 is a top plan View of a road drag equal to that of. the frame 1, so as to occupy 15 mbodying the improvements of this invena swingable and'adjustable position between 05 tion. v I the main drag blades of the device which 'Figure 2 is a side elevational view thereof. are not shown. The inventive novelty is 2 Figure 3 is a transverse vertical sectional founded on the attachment per so as well as view taken through the fulcrum bar and the in the combination to the existing features 29 link and showing the levelling blade and the of the standard road drag structure herein 70 support in elevation. illustrated.

Referring now to the drawings, by refer- Various changes in the shape, size and arence numerals, it will be seen in Figure 1, that rangement of parts may be resorted to, withthe character 4 designates generally a conout departing from the spirit'of the'invenventional road drag frame, embodying side tion or the scope of the appended claims. 75

bars 5, intersecting cross braces 6, and a hori- H v ng h s de ribed my invention, What I Zontal frontal plate 7. The numeral 8 desig- 1s claimed is: nates generally the supporting wheel struc 1. In a structure of the class described, i ture, which renders the device portable. combination, a portable frame including a 30 The improved attachment comprises a yoke pair of spaced substantially parallel side bars, 80 11, fastened to the rear end portions of the a front plate attached to the corresponding side bars 5, and provided with a central eX- ends of said side bars, a yoke having its end a tension 12, projecting rearwardly from the portions fastened to the rear end .portions of crown portion thereof, to form a fulcrum. theside bars, saidyoke being provided with-"1 Mounted at a point between its ends on this a central rearwardly projecting bar exten- 5- 4 bar is the spreading and levelling blade sion, and a combined levelling and spreadstructure generally represented by the nuing blade device fulcrumed on said bar. merals 13. This comprises a carrier plate 14, 2. Ina structure of the class described, in and a blade 15, of appropriate design fascombination, a main supporting frame emtened thereto. There is a rib 16 formed across bodying a pairof spaced side bars, a horizon- 90 the carrier plate 14, and this is provided with tal plate fastened across the forward end por a central lug 17, having pivotal connection as tions thereof, a substantially U-shaped yokeat 18, to the adjacent fulcrum bar 12. A suithaving its end portions attached to the rear able bracket 19 is attached to the rib on one end portions of said side bars, and formed side of the pivotal connection, and a push pull with a central rearwardly projecting exam 95.

rod 20 is pivotally connected at one end with sion bar, a plate embodying a lug pivotally the bracket and has its forward end pivotally mounted on said bar,,a spreader blade carried connected with the lower end of the operating by said plate. lever 21. This lever is pivotally mounted on 3. In a structure ofthe class described, in the front plate 7, provided with the pawl combination, a main supporting frame emloo bodying a pair of spaced side bars, a horizontal plate fastened across the forward end portions thereof, a substantially U-shaped yoke having its end portions attached to the rear end portions of said side bars; and formed with a central rearwardly projecting extension bar, a plate embodying alug pivotally mounted on said bar, a; spreader blade carried by said plate, a link pivotally connected at its rear end to said plate on one side of the pivotal mounting of the plate, said? link extending forwardly over the frame structure, a

V lever pivotally mounted on said front plate,

a segment carried bysaidplate, and a pawl carried by said lever cooperable with said segment. I

4. An. attachment of the class described, comprising a yoke a supporting; frame with which the yoke is connected, a centrally disposed b ar member projecting from the. crown portion of. the yoke a carrier blade provided with: a lug: resting on the adjacent end of said extension,v a vertical pivot pin pivotally assembling said carrier plate on said extension,

, a combined drag and levelling. blade carried by said plate, a bracket on the carrier plate located on one side of the lug, and an. operating link connected with said bracket.

In. testimony whereof I aflix my signature.

CHARLES HARRIS COOK. 

